Fix . Taken from this upstream commit, sans ChangeLog updates and tests: . diff --git a/sysdeps/x86_64/memcmp.S b/sysdeps/x86_64/memcmp.S index 1fc487caa5..1322bb3b92 100644 --- a/sysdeps/x86_64/memcmp.S +++ b/sysdeps/x86_64/memcmp.S @@ -21,14 +21,18 @@ .text ENTRY (memcmp) - test %rdx, %rdx +#ifdef __ILP32__ + /* Clear the upper 32 bits. */ + movl %edx, %edx +#endif + test %RDX_LP, %RDX_LP jz L(finz) cmpq $1, %rdx - jle L(finr1b) + jbe L(finr1b) subq %rdi, %rsi movq %rdx, %r10 cmpq $32, %r10 - jge L(gt32) + jae L(gt32) /* Handle small chunks and last block of less than 32 bytes. */ L(small): testq $1, %r10 @@ -156,7 +160,7 @@ L(A32): movq %r11, %r10 andq $-32, %r10 cmpq %r10, %rdi - jge L(mt16) + jae L(mt16) /* Pre-unroll to be ready for unrolled 64B loop. */ testq $32, %rdi jz L(A64) @@ -178,7 +182,7 @@ L(A64): movq %r11, %r10 andq $-64, %r10 cmpq %r10, %rdi - jge L(mt32) + jae L(mt32) L(A64main): movdqu (%rdi,%rsi), %xmm0 @@ -216,7 +220,7 @@ L(mt32): movq %r11, %r10 andq $-32, %r10 cmpq %r10, %rdi - jge L(mt16) + jae L(mt16) L(A32main): movdqu (%rdi,%rsi), %xmm0 @@ -254,7 +258,7 @@ L(ATR): movq %r11, %r10 andq $-32, %r10 cmpq %r10, %rdi - jge L(mt16) + jae L(mt16) testq $16, %rdi jz L(ATR32) @@ -325,7 +329,7 @@ L(ATR64main): movq %r11, %r10 andq $-32, %r10 cmpq %r10, %rdi - jge L(mt16) + jae L(mt16) L(ATR32res): movdqa (%rdi,%rsi), %xmm0 option value='committer'>committer
path: root/HACKING
AgeCommit message (Expand)Author
2020-01-09doc: Move "Commit Access" section from 'HACKING' to the manual....* HACKING (Commit Access): Remove. (Contributing): Update URL of the manual. * doc/contributing.texi (Commit Access): New section. (Submitting Patches): Add cross reference. Ludovic Courtès
2020-01-09doc: Add "Tracking Bugs and Patches" section....* doc/contributing.texi (Tracking Bugs and Patches): New section. (Submitting Patches): Refer to it. * doc/guix.texi: Update copyright line. * HACKING (Using emacs-debbugs): Remove. Ludovic Courtès
2019-07-13doc: Update keyserver URL....* HACKING (Commit Access): Change keyserver URL to 'keys.openpgp.org'. Leo Famulari
2019-02-11HACKING: Update key server....* HACKING (Commit Access): Recommend pool.sks-keyservers.net. Ludovic Courtès
2018-07-22doc: Fix typo (missing period)...* HACKING (Commit Access): Fix typo. Pierre Neidhardt
2017-08-19doc: Mention how to use emacs-debbugs....* HACKING (Using emacs-debbugs): Add section on using emacs-debbugs. Arun Isaac
2017-03-27maint: Give command to install the pre-push hook....* HACKING: Add 'cp' line to install the pre-push hook. Ludovic Courtès
2017-03-24maint: Mention the Signed-off-by line in 'HACKING'....* HACKING: Mention the Signed-off-by line. Clément Lassieur
2017-03-15maint: Mention guix-patches@gnu.org in 'HACKING'....Fixes <http://bugs.gnu.org/25899>. * HACKING: Mention guix-patches@gnu.org. Ludovic Courtès
2017-01-30maint: Fix invalid calls to 'info'....* HACKING <Contributing>: Remove name of the manual from the item argument. * README <Installation>: Likewise. Mathieu Lirzin
2017-01-04doc: Add a Git hook that verifies signatures before pushing....* HACKING (Commit Access): Describe the pre-push Git hook. * etc/git/pre-push: New file. Leo Famulari
2016-07-24doc: Explain how to set up Git for signing....* HACKING (Commit Access): Give instructions on how to set up Git for signing. Ludovic Courtès
2016-07-14doc: Mention commit signatures in HACKING....* HACKING: Mention commit signatures. Leo Famulari